ALEXANDRIA, Va., June 10 -- United States Patent no. 12,293,209, issued on May 6, was assigned to Ribbon Communications Operating Co. Inc. (Westford, Mass.).

"Isolated physical networks for network function virtualization" was invented by Paul Miller (Derry, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes, with a Virtual Network Function (VNF) component associated with a VNF, communicating with an access network over a first physical network connected to a first physical network interface of a physical machine associated with the VNF component. The method further includes, with the VNF component, communicating with a core network over a second physical network connected to a second phys...